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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 462 · 40 questions
TalentJR

The method (Think in totals): Average = total ÷ how many; total = average × how many. A number added or removed: compare the new total with the old total. Two groups together: add the two totals, then divide by everyone.

NameDateTime takenScore ___ / 40
  1. 1.A shop sells an average of 47 kg of sugar a day for 6 days, and then 25 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  2. 2.The average weight of 6 children is 38 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.Marks of 4 friends in a quiz: 77, 98, 71, 90. What is their average mark?
  4. 4.Marks of 5 friends in a quiz: 83, 101, 91, 101, 59. What is their average mark?
  5. 5.Aditya’s batting average after 14 innings is 21 runs. How many runs must Aditya score in the next innings to raise the average to 22?
  6. 6.The average weight of 12 children is 43 kg. One child, who weighs 76 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.A shop sells an average of 67 kg of sugar a day for 6 days, and then 32 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  8. 8.A shop sells an average of 63 kg of sugar a day for 3 days, and then 21 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  9. 9.The average of 9 numbers is 20. When one more number is added, the average becomes 24. What number was added?
  10. 10.Marks of 6 friends in a quiz: 22, 20, 27, 30, 21, 78. What is their average mark?
  11. 11.A shop sells an average of 27 kg of sugar a day for 6 days, and then 59 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  12. 12.The average of 6 numbers is 34. When one more number is added, the average becomes 37. What number was added?
  13. 13.The average of 5 numbers is 58. When one more number is added, the average becomes 59. What number was added?
  14. 14.The average weight of 7 children is 34 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average weight of 8 children is 46 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average of 4 numbers is 29. When one more number is added, the average becomes 34. What number was added?
  17. 17.The average weight of 8 children is 33 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.Marks of 5 friends in a quiz: 39, 45, 59, 68, 59. What is their average mark?
  19. 19.Marks of 4 friends in a quiz: 84, 74, 72, 70. What is their average mark?
  20. 20.The average weight of 10 children is 32 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.The average of 8 numbers is 58. When one more number is added, the average becomes 59. What number was added?
  22. 22.The average of 4 numbers is 20. When one more number is added, the average becomes 26. What number was added?
  23. 23.A shop sells an average of 60 kg of sugar a day for 6 days, and then 42 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  24. 24.The average of 6 numbers is 55. When one more number is added, the average becomes 59. What number was added?
  25. 25.The average of 9 numbers is 53. When one more number is added, the average becomes 57. What number was added?
  26. 26.The average of 9 numbers is 47. When one more number is added, the average becomes 53. What number was added?
  27. 27.The average weight of 8 children is 36 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average of 7 numbers is 49. When one more number is added, the average becomes 55. What number was added?
  29. 29.The average of 9 numbers is 40. When one more number is added, the average becomes 43. What number was added?
  30. 30.Aarav’s batting average after 6 innings is 35 runs. How many runs must Aarav score in the next innings to raise the average to 37?
  31. 31.The average of 8 numbers is 54. When one more number is added, the average becomes 58. What number was added?
  32. 32.The average of 9 numbers is 24. When one more number is added, the average becomes 27. What number was added?
  33. 33.Marks of 5 friends in a quiz: 57, 60, 76, 74, 73. What is their average mark?
  34. 34.The average of 4 numbers is 20. When one more number is added, the average becomes 23. What number was added?
  35. 35.The average of 7 numbers is 21. When one more number is added, the average becomes 26. What number was added?
  36. 36.A shop sells an average of 52 kg of sugar a day for 4 days, and then 34 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  37. 37.A shop sells an average of 57 kg of sugar a day for 4 days, and then 27 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  38. 38.The average of 7 numbers is 20. When one more number is added, the average becomes 25. What number was added?
  39. 39.The average of 5 numbers is 45. When one more number is added, the average becomes 50. What number was added?
  40. 40.Marks of 6 friends in a quiz: 75, 73, 82, 64, 77, 91. What is their average mark?

Answer key

  1. 37
  2. 37
  3. 84
  4. 87
  5. 36
  6. 40
  7. 53
  8. 39
  9. 60
  10. 33
  11. 43
  12. 55
  13. 64
  14. 31
  15. 44
  16. 54
  17. 30
  18. 54
  19. 75
  20. 29
  21. 67
  22. 50
  23. 54
  24. 83
  25. 93
  26. 107
  27. 35
  28. 97
  29. 70
  30. 49
  31. 90
  32. 54
  33. 68
  34. 35
  35. 61
  36. 42
  37. 42
  38. 60
  39. 75
  40. 77

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